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Construct an ER diagram for a hospital along with a set of patients and a set of medical doctors Associate with every patient a log of the several tests and examinations conducted.
Ans:
prototype of a distributed information system for a national car part retail outlet chain.
Due date for May 8
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Describe Hashing in DBMS? Hashing: Hashing is a technique to store data within an array so which storing, searching, inserting and deleting data is fast (in theory it's O(1))
Find out the names and company names of all employees sorted in ascending order of company name and descending order of employee names of by which company. SELECT EMPLOYEE_NAME,
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
explain normalisation
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Rules Of Data Normalisation Let us now summarise Normalisation with the help of various clean rules. The following are the necessary rules for the Normalisation process: 1.
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
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